Projected non-attainment by county in 2020 under the range of the proposed new limits. Source: EPA. Click to enlarge. The US Environmental Protection Agency (EPA) proposed updates to its national ambient air quality standards (NAAQS) for harmful fine particle pollution (PM 2.5 ). EPA’s proposal would strengthen the annual health standard for PM 2.5 MORE >>

It’s all very well reading about the electric exploits of hill-climbing all-electric race cars and the 0-60 times of purpose-built electric drag cars, but sometimes there’s no substitute for experiencing the joy of electric motorsport first hand. In a little over two weeks, that’s exactly what you’ll get if you head to the MORE >>

A team from Hanyang University (Korea) and University of Rome Sapienza (Italy) have demonstrated a lithium–air battery capable of operating over many cycles with capacity and rate values as high as 5,000 mAh g carbon ?1 and 3 A g carbon ?1 1 , respectively. Resources. Nature Chemistry doi: 10.1038/nchem.1376 10.1038/nchem.1376. Brief MORE >>

For as long as we care to remember, U.S. roads have hummed to the tune of the V-6 and V-8. Low-stressed and powerful, we’ve used V-engines in everything from pickup trucks and hotrods to family sedans and crossover SUVS. Times, however, are changing. According to JD Power Associates (via Associated Press) more than half of the new cars and MORE >>

China-based Shengquan Group and Novozymes finalized an enzyme supply deal for the production of cellulosic ethanol. Shengquan has invested $100 million in the facility. Shengquan is a leading producer of furfural for resin production in the foundry industry. Shengquan will market the ethanol as an industrial solvent. Cellulosic ethanol China MORE >>